20345034141 has 10 divisors (see below), whose sum is σ = 30391964702. Its totient is φ = 13563356040.

The previous prime is 20345034139. The next prime is 20345034179. The reversal of 20345034141 is 14143054302.

It is a happy number.

20345034141 is a `hidden beast` number, since 203 + 45 + 0 + 3 + 414 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15136380900 + 5208653241 = 123030^2 + 72171^2 .

It is not a de Polignac number, because 20345034141 - 2¹ = 20345034139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20345034641) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 125586550 + ... + 125586711.

Almost surely, 2^20345034141 is an apocalyptic number.

It is an amenable number.

20345034141 is a deficient number, since it is larger than the sum of its proper divisors (10046930561).

20345034141 is an equidigital number, since it uses as much as digits as its factorization.

20345034141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251173273 (or 251173264 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20345034141 its reverse (14143054302), we get a palindrome (34488088443).

The spelling of 20345034141 in words is "twenty billion, three hundred forty-five million, thirty-four thousand, one hundred forty-one".